.banner {
    height: 480px;
    background-color: #5D1AFF;
}

.banner .banner-c {
    position: relative;
    height: 480px;
}

.banner .banner-c img {
    width: 1240px;
    height: 480px;
}


/* banner左侧的nav */

.banner .banner-c .nav {
    position: absolute;
    left: 0;
    top: 0;
    width: 245px;
    height: 480px;
    background-color: #E5DDF9;
}

.banner .banner-c .nav .nav-type {
    margin-top: 35px;
    margin-left: 30px;
    color: #3A3A3A;
}

.banner .banner-c .nav .nav-type li {
    padding-bottom: 42px;
    height: 14px;
}

.banner .banner-c .nav .nav-type li:last-child {
    padding-bottom: 0;
}


/* banner箭头 */

.banner .banner-c .arrow {
    position: absolute;
    left: 245px;
    top: 50%;
    margin-top: -21px;
    width: 995px;
    height: 42px;
}

.banner .banner-c .arrow .arrow-l,
.banner .banner-c .arrow .arrow-r {
    width: 32px;
    height: 42px;
    cursor: pointer;
}

.banner .banner-c .arrow .arrow-l {
    position: absolute;
    left: 0;
    background: url(../images/banner_arrow_left.png) no-repeat center center;
    background-size: 12px 17px;
}

.banner .banner-c .arrow .arrow-r {
    position: absolute;
    right: 0;
    background: url(../images/banner_arrow_right.png) no-repeat center center;
    background-size: 12px 17px;
}


/* banner小圆点 */

.banner .banner-c .circle {
    position: absolute;
    width: 995px;
    height: 11px;
    left: 245px;
    bottom: 10px;
}

.banner .banner-c .circle .littleCircle {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    -o-transform: translateX(-50%);
}

.banner .banner-c .circle .littleCircle li {
    float: left;
    width: 10px;
    height: 10px;
    margin-right: 10px;
    border-radius: 50%;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    -ms-border-radius: 50%;
    -o-border-radius: 50%;
    border: 1px solid #C0C0C0;
    cursor: pointer;
}

.banner .banner-c .circle .littleCircle .current {
    background-color: #00C3F5;
    border: 1px solid #00C3F5;
}